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Xcess新型高效神经保护分子P7C32014年10月13日03:55 | 新闻印刷版刚刚在上个月的Cell中发表，最近关于神经保护小分子P7C3的 MOA研究具有广泛的体外和体内活性，为研究共享其他常见组织的神经系统疾病，损伤，发育和退行性疾病提供了新的令人兴奋的机会机制。 P7C3 是直接从体内神经发生筛选中鉴定出的无毒，稳定且可口服生物利用的合成小分子。它可以保护齿状回中的新生神经元，并刺激新神经元的生长。它还可以增强老年大鼠的学习和记忆能力。在爆炸介导的创伤性脑损伤（TBI）的啮齿动物模型中，P7C3还可以在损伤后，在神经元细胞死亡发生之前保持轴突的完整性。MOA研究表明P7C3可以结合烟酰胺磷酸核糖基转移酶（NAMPT），这是一种将烟酰胺转化为烟酰胺腺嘌呤二核苷酸（NAD）的限速酶。将活性P7C3化学物质施用至用阿霉素处理的细胞（诱导NAD耗竭），可导致细胞内NAD水平反弹，并免受阿霉素介导的毒性的影响。 如何订购： Xcess Biosciences是一家领先的试剂和服务公司，提供10 mM DMSO溶液和以克计的固体形式的化合物。请访问我们的网站以获取订单信息和其他创新产品。特别是Xcess Biosciences继续向我们的表观遗传调节剂工具箱 （现在我们提供72种独特的化合物）和 泛素调节剂工具箱 （现在我们提供15种独特的化合物）中添加了更多新颖的小分子化学探针 。
Product Information
| Molecular Weight: | 369.36 |
| Formula: | C20H17F2N3O2 |
| Purity: | >98% |
| CAS#: | 851881-60-2 |
| Solubility: | DMSO: ≥ 31 mg/mL |
| Chemical Name: | (S)-(4-fluorophenyl)(3-(3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl)piperidin-1-yl)methanone |
| Storage: | Powder -20oC 3 years 4oC 2 yearsIn solvent -80oC 6 months-20oC 1 month |
Biological Activity:
ADX-47273 is a positive allosteric modulator selective for the metabotropic glutamate receptor subtype mGluR5(EC50=170 nM). IC50 value: 170 nM(EC50) [1] [2] Target: positive allosteric modulator (PAM) of mGluR5
How to use:
in vitro: ADX-47273 increased (9-fold) the response to threshold concentration of glutamate (50 nM) in fluorometric Ca(2+) assays (EC(50) = 170 nM) in human embryonic kidney 293 cells expressing rat mGlu5. ADX47273 dose-dependently shifted mGlu5 receptor glutamate response curve to the left (9-fold at 1 microM) and competed for binding of [(3)H]2-methyl-6-(phenylethynyl)pyridine (K(i) = 4.3 microM), but not [(3)H]quisqualate [2].
in vivo: ADX47273 increased extracellular signal-regulated kinase and cAMP-responsive element-binding protein phosphorylation in hippocampus and prefrontal cortex, both of which are critical for glutamate-mediated signal transduction mechanisms. In models sensitive to antipsychotic drug treatment, ADX47273 reduced rat-conditioned avoidance responding [minimal effective dose (MED) = 30 mg/kg i.p.] and decreased mouse apomorphine-induced climbing (MED = 100 mg/kg i.p.), with little effect on stereotypy or catalepsy [2]. ADX47273 had no effect on single-session and multi-session extinction, but administration of ADX47273 after a single retrieval trial enhanced subsequent fear extinction learning [3].
Reference:
[1]. de Paulis T, et al. Substituent effects of N-(1,3-diphenyl-1H-pyrazol-5-yl)benzamides on positive allosteric modulation of the metabotropic glutamate-5 receptor in rat cortical astrocytes. J Med Chem. 2006 Jun 1;49(11):3332-44.
[2]. Liu F, et al. ADX47273 [S-(4-fluoro-phenyl)-{3-[3-(4-fluoro-phenyl)-[1,2,4]-oxadiazol-5-yl]-piperidin-1-yl}-methanone]: a novel metabotropic glutamate receptor 5-selective positive allosteric modulator with preclinical antipsychotic-like and procognitive
[3]. Xu J, et al. Potentiating mGluR5 function with a positive allosteric modulator enhances adaptive learning. Learn Mem. 2013 Jul 18;20(8):438-45.
